Hair dryer



FIG. 1 is a perspective view from the right side of a hair dryer showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a rear elevation view thereof; and

FIG. 7 is a right side elevation view thereof in the folded condition. 

The ornamental design for hair dryer, as shown and described. 